Michael Zingale

Should there be a separate projection module that all the low speed solvers can use?

there is a lot of redundancy in the `lm_combustion` solver -- it should subclass simulation_null like the others do

[WIP] add a python script to remove the finest level from plotfile

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## Summary ## Additional background ## Checklist The proposed changes: - [ ] fix a bug or incorrect behavior in AMReX - [x] add new capabilities to AMReX - [...

switch sum_utils to use AMReX volwgtsum

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AMReX now has a `volwgtsum` function: https://github.com/AMReX-Codes/amrex/pull/2961 we should be able to use this in place of the Castro version in `sum_utils.cpp`

## PR summary ## PR motivation ## PR checklist - [ ] test suite needs to be run on this PR - [ ] this PR will change answers in...

output the location where the timestep is set

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## PR summary addresses #328 ## PR motivation ## PR checklist - [ ] test suite needs to be run on this PR - [ ] this PR will change...

this doesn't yet work for parallel (MPI) ## PR summary ## PR motivation ## PR checklist - [ ] test suite needs to be run on this PR - [...

Sympy output inconsistent

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### Describe the bug **context** When I include a notebook with SymPy output, sometimes the standard latex font is used and sometimes a larger, uglier font is used for the...

We need to test `test_nse` in the regression test suite, or via a github action

we now have 2 different solvers, so this attempts to explain their differences